Temperature sensing and control is a critical requirement in applications like furnaces, boilers, HVAC and in industrial processes like chemical, petrochemical, oil & gas, and food processing/manufacturing.

Thermocouples are widely used in these applications for temperature sensing. They work on the principle of Seebeck effect, where two different metal wires are joined together, and this junction generates a voltage proportional to the temperature. The most common thermocouple types or thermocouple calibrations available are B, E, J, K, N, R, S, T & C. Each of these types have a specified temperature range in which they can be used. Thermocouples are available in various form factors like immersion probes, surface probes, air probes, bulkhead probes etc. Thermocouple wires, thermocouple extension wires and thermocouple connectors are important accessories that are used along with thermocouples.

Thermocouple wires are used to connect the sensor to the measuring instrument or temperature controller/transmitter. Thermocouple extension wires are used to extend the distance between the sensor and the measuring instrument or controller/transmitter. Thermocouple connectors are used to provide a secure and reliable connection between the thermocouple wires/extension wires and the measuring instruments. Thermocouple connectors are available in standard and miniature versions with 2-terminal connectors being the most used.

Application temperature, degree of accuracy in measurement, resistance to harsh environments, thermocouple wires, thermocouple extension wires and thermocouple connectors are the key factors based on which a thermocouple type is selected.

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Manufacturer
Thermocouple Wire Type
Length
Thermocouple Type
Sensing Temperature Min
Outside Diameter
External Diameter
Length - Imperial
Measured Temperature Min
Measured Temperature Max
Sensing Temperature Max
Probe/Pocket Body Material
Length - Metric
Sensor Body Material
Response Time
Lead Length - Imperial
Operating Temperature Min
Wire Gauge
Operating Temperature Max
Lead Length - Metric
Probe Length - Imperial
Analogue Outputs
Probe Length - Metric
Probe Diameter - Imperial
Probe Diameter - Metric
Field of View (FOV)
Insulation
Emissivity
Thermocouple Termination
Thermocouple Wire Standard
Thermocouple Shielding
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ComparePrice ForQuantity
4294243

RoHS

Each
1+
HK$616.370
5+
HK$602.290
10+
HK$574.680
25+
HK$556.700
50+
HK$542.190
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
250°C
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
3.93"
-
100mm
0.24"
6mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4073464

RoHS

Each
1+
HK$191.630
5+
HK$180.390
10+
HK$169.150
Min: 1 / Mult: 1
-
-
K
-40°C
-
-
-
-
-
-
-
-
Inconel 600
-
3.94"
-
-
-
100mm
3.3ft
-
1m
0.12"
3mm
-
PFA
-
Bare Wire
ANSI
Shielded
-
4318167

RoHS

Each
1+
HK$329.950
10+
HK$306.820
25+
HK$286.850
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
400°C
400°C
-
-
-
-
6.562ft
-
-
-
2m
-
-
-
0.236"
6mm
-
-
-
-
-
-
MPFA Series
4294212

RoHS

Each
1+
HK$589.300
5+
HK$575.840
10+
HK$549.450
25+
HK$532.260
50+
HK$518.380
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
-
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
1.97"
-
50mm
0.12"
3mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4156037

RoHS

Each
1+
HK$372.050
5+
HK$363.550
10+
HK$346.890
25+
HK$336.040
50+
HK$327.270
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
350°C
-
-
Stainless Steel
-
6.56ft
-
-
-
2m
-
-
-
-
-
-
Glassfiber
-
Bare Wire
JIS
-
-
4318166

RoHS

Each
1+
HK$334.510
10+
HK$311.270
25+
HK$290.980
Min: 1 / Mult: 1
-
-
J
0°C
-
-
-
0°C
400°C
400°C
-
-
-
-
6.562ft
-
-
-
2m
-
-
-
0.236"
6mm
-
-
-
-
-
-
MPFA Series
4318173

RoHS

Each
1+
HK$323.430
10+
HK$297.270
25+
HK$275.020
75+
HK$255.800
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
1200°C
1200°C
-
-
Inconel 600
-
-
-
-
-
-
9.843"
-
250mm
0.059"
1.5mm
-
-
-
-
-
-
MPFA Series
4294241

RoHS

Each
1+
HK$601.600
5+
HK$587.850
10+
HK$560.910
25+
HK$543.360
50+
HK$529.190
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
-
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
7.87"
-
200mm
0.12"
3mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4073373

RoHS

Each
1+
HK$89.090
10+
HK$83.350
25+
HK$76.380
50+
HK$72.450
100+
HK$69.810
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
250°C
260°C
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
-
4318126

RoHS

Each
1+
HK$560.450
5+
HK$526.130
10+
HK$468.810
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
800°C
800°C
-
-
Inconel 600
-
3.281ft
-
-
-
1m
5.905"
-
150mm
0.039"
1mm
-
-
-
-
-
-
MPFA Series
4294214

RoHS

Each
1+
HK$600.380
5+
HK$586.660
10+
HK$559.770
25+
HK$542.260
50+
HK$528.120
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
250°C
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
5.91"
-
150mm
0.12"
3mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
7069212

RoHS

Each
1+
HK$104.950
10+
HK$96.870
25+
HK$90.120
50+
HK$86.220
100+
HK$83.670
More Pricing...
Min: 1 / Mult: 1
-
-
J
-60°C
-
-
-
-60°C
350°C
-
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
Glassfiber
-
Bare Wire
IEC
Unshielded
-
7076150

RoHS

Each
1+
HK$60.580
10+
HK$55.920
25+
HK$52.020
50+
HK$49.770
100+
HK$48.300
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
260°C
260°C
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
PTFE
-
Bare Wire
IEC
Unshielded
-
7076162

RoHS

Each
1+
HK$97.620
10+
HK$90.110
25+
HK$83.830
50+
HK$80.200
100+
HK$77.830
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
260°C
260°C
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
PTFE
-
Bare Wire
IEC
Unshielded
-
2443721

RoHS

Each
1+
HK$112.520
10+
HK$110.260
25+
HK$90.720
50+
HK$88.910
100+
HK$87.100
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
250°C
250°C
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
Z2-K-2.0 Series
2990366

RoHS

Pack of 5
1+
HK$907.400
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
260°C
260°C
-
-
PFA
-
-
-
-
-
-
3.3ft
-
1m
0.005"
0.13mm
-
PFA
-
Stripped Leads
IEC
Unshielded
5TC Series
2947102

RoHS

Each
1+
HK$41.930
100+
HK$32.980
250+
HK$28.670
500+
HK$24.790
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
800°C
800°C
-
-
Nickel Chromium Silicon Alloy
-
40"
-
-
-
1m
-
-
-
-
-
-
-
-
-
-
-
Multicomp Pro Temperature Probes
3410317

RoHS

Pack of 5
1+
HK$753.100
Min: 1 / Mult: 1
-
-
E, J, K, T
-
-
-
-
0°C
482°C
-
-
-
-
-
-
-
-
-
-
80"
-
2m
0.01"
0.25mm
-
Fiberglass
-
Stripped Leads
IEC
Unshielded
5TC Series
3794825

RoHS

Pack of 5
1+
HK$582.800
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
482°C
-
-
-
-
-
-
-
-
-
-
39.37"
-
1m
0.005"
0.13mm
-
Fiberglass
-
Stripped Leads
ANSI
Unshielded
5TC Series
1633490

RoHS

Each
1+
HK$154.940
10+
HK$148.190
25+
HK$133.240
50+
HK$125.640
100+
HK$121.090
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
+250°C
-
-
-
-
120"
-
-
-
3m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
-
4724367

RoHS

Each
1+
HK$595.540
Min: 1 / Mult: 1
-
-
K
-200°C
-
-
-
-200°C
1200°C
1200°C
-
-
Nickel Chromium
-
100"
-
-
-
2.5m
-
-
-
-
-
-
-
-
-
-
-
-
8598185

RoHS

Pack of 5
1+
HK$481.430
5+
HK$460.460
10+
HK$414.000
25+
HK$390.390
50+
HK$376.240
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
+250°C
-
-
-
-
80"
-
-
-
2m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
-
4920971

RoHS

Each
1+
HK$56.350
5+
HK$52.010
10+
HK$48.390
Min: 1 / Mult: 1
-
-
K
-50°C
-
-
-
-50°C
+250°C
+250°C
-
-
Nickel Aluminium, Nickel Chromium
-
40"
-
-
-
1m
-
-
-
-
-
-
-
-
-
-
-
-
4920983

RoHS

Each
1+
HK$71.990
5+
HK$66.450
10+
HK$61.830
Min: 1 / Mult: 1
-
-
K
-50°C
-
-
-
-50°C
+450°C
+450°C
-
-
Nickel Aluminium, Nickel Chromium
-
40"
-
-
-
1m
-
-
-
-
-
-
-
-
-
-
-
-
4100748

RoHS

Each
1+
HK$136.580
10+
HK$135.200
25+
HK$133.810
50+
HK$121.880
100+
HK$109.940
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
260°C
260°C
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
Type K x 1m
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